WO2008069900A2 - Mélangeur pour matériaux visqueux - Google Patents

Mélangeur pour matériaux visqueux Download PDF

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Publication number
WO2008069900A2
WO2008069900A2 PCT/US2007/023907 US2007023907W WO2008069900A2 WO 2008069900 A2 WO2008069900 A2 WO 2008069900A2 US 2007023907 W US2007023907 W US 2007023907W WO 2008069900 A2 WO2008069900 A2 WO 2008069900A2
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
mixer
paddles
paddle
shape
Prior art date
Application number
PCT/US2007/023907
Other languages
English (en)
Other versions
WO2008069900A3 (fr
Inventor
Aaron Charles Rosso
Matthew Earle Myers
Joseph Z. Wascow
Brian A. Retzke
Salvatore C. Immordino
Terry L. Rosenstiel
Original Assignee
United States Gypsum Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United States Gypsum Company filed Critical United States Gypsum Company
Priority to BRPI0717696-1A priority Critical patent/BRPI0717696A2/pt
Priority to AU2007328446A priority patent/AU2007328446B2/en
Priority to NZ577410A priority patent/NZ577410A/xx
Priority to CA002671026A priority patent/CA2671026A1/fr
Priority to EP07862014A priority patent/EP2099555A2/fr
Priority to MX2009005805A priority patent/MX2009005805A/es
Priority to CN2007800460408A priority patent/CN101594927B/zh
Priority to JP2009539259A priority patent/JP5007910B2/ja
Publication of WO2008069900A2 publication Critical patent/WO2008069900A2/fr
Publication of WO2008069900A3 publication Critical patent/WO2008069900A3/fr
Priority to HK10105401.0A priority patent/HK1139352A1/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/071—Fixing of the stirrer to the shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0723—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis oblique with respect to the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0726—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/28—Mixing cement, mortar, clay, plaster or concrete ingredients

Definitions

  • the present invention relates generally to a mixer for mixing viscous fluids, and more particularly, to a mixer configured for attachment to a power tool for mixing viscous construction materials.
  • Mixers that are attachable to power tools for mixing viscous construction materials, such as cement and wallboard compound, are known.
  • Conventional mixers typically have a shaft that is attachable to a power tool, such as a drill, and paddles that extend radially from the shaft. When the power tool is activated, the paddles rotate about the axis of the shaft to mix the viscous material.
  • Users of conventional mixers such as drywall or wallboard finishers, use the mixer to stir or agitate wallboard joint compound before it is applied to the wallboard.
  • Joint compound is a highly viscous fluid that is typically mixed at high mixer rotational velocities to have a thinner and smoother consistency so that it can be applied evenly. In many cases, water must be added to the joint compound to thin the mix, as well as to help the paddles of the mixer move through and fold the viscous material.
  • Conventional mixers have several disadvantages. Instead of achieving the desired radial and axial mixing of the viscous material, conventional mixers tend to only mix the viscous material radially relative to the mixer. Often times, when conventional mixers are held stationary, the added water is not folded into the material but instead stands on top of the material. To achieve a desired consistency, the user must manipulate the drill and displace the shaft at least in the axial direction. Further, achieving the desired consistency is inefficient with conventional mixers because a large amount of time is required to achieve the desired mixing of the material. Another disadvantage of conventional mixers is that there is significant operational vibration. When the paddles do not move evenly through the viscous material, the mixer and the container holding the viscous material vibrate.
  • the user will often use their legs or feet to stabilize the container, often assuming an awkward or uncomfortable stance.
  • the vibration of conventional mixers and of the container causes splattering of the material, and/or any standing water on top of the material.
  • the user must use caution to prevent the splatter from landing on the work area. This condition is exacerbated when users run the mixers at higher speeds in rush situations.
  • a further problem with conventional mixers is that the relatively sharp-edged peripheral edges of the paddles operating at high speeds, will contact the sides or bottom portions of the container, typically 5-gallon plastic pails, and "shave off' portions of the container, which contaminates the material. Further, such contact may cause the drill and mixer to jump back in the user's hands, disrupting the mixing operation.
  • the present mixer that more evenly mixes viscous fluids such as wallboard joint compound, and which reduces the amount of vibration during use.
  • the present mixer also reduces the possibility of contaminating the material with shavings from the material container.
  • a mixer configured for attachment to a power tool for mixing a viscous material, and includes a shaft having a first end and defining a shaft axis, and a plurality of paddles attached to the shaft and extending radially from shaft. All of the paddles have generally the same axial distance to the first end of the shaft, and are configured for rotation about the shaft axis in a direction of rotation. Each of the paddles has a general "S"-shape defined between a top end and a bottom end of the paddle, and between a leading surface and a trailing surface of the paddle.
  • a mixer configured for attachment to a power tool for mixing a viscous material, and includes a shaft having a first end and defining a shaft axis, and a plurality of paddles attached to the shaft. All of the paddles have generally the same axial distance to the first end of the shaft. The paddles extend radially from the shaft and are configured for rotation about the shaft axis in a direction of rotation. The paddles each have an outside surface along the length of the paddle, the outside surface including an extension portion that forms an outermost radial extent of the mixer, where the outermost radial extent is less than a full length of the outside surface.
  • Each paddle has a general "S"-shape defined between a top end and a bottom end of the paddle, and between a leading surface and a trailing surface of the paddle. Also, each paddle forms a generally planar "T"-shape with a support arm forming a leg of the "T"-shape, and a blade having the "S"- shape and forming two arms of the "T".
  • a mixer configured for attachment to a power tool for mixing a viscous material, and includes a shaft having a first end and defining a shaft axis, and a plurality of identical paddles attached to the shaft and extending radially from the shaft. All of the paddles have generally the same axial distance to the first end of the shaft, the paddles being configured for rotation about the shaft axis in a direction of rotation. Each paddle has a first bottom surface forming the lowermost extent of the mixer, where the first bottom surface extends less than a full radial length of the paddle.
  • each paddle has a general "S"-shape defined between a top end and a bottom end of the paddle, and between a leading surface and a trailing surface of the paddle.
  • Each paddle forms a generally planar "T"-shape with a support arm forming a leg of the "T"-shape, and a blade having the "S"-shape and forming two arms of the "T”.
  • a mixer is provided that is configured for attachment to a power tool for mixing a viscous material, and includes a shaft having a first end and defining a shaft axis, and a plurality of paddles attached to said shaft and extending radially from the shaft.
  • the paddles are configured for rotation about the shaft axis in a direction of rotation.
  • Each of the paddles has a general "S"-shape defined between a top end and a bottom end of the paddle, and between a leading surface and a trailing surface of the paddle.
  • Each of the paddles also forms a generally planar "T"-shape with a support arm forming a leg of the "T"-shape, and a blade having the "S"-shape forming the two arms of the "T".
  • the blade has generally the same axial distance to the first end of the shaft.
  • FIG. 1 is a partial top perspective view of the present mixer
  • FIG. 2 is a front plan view of the mixer of FIG. 1
  • FIG. 3 is a top plan view of the mixer of FIG. 1;
  • FIG. 4 is a fragmentary top perspective view of an alternate embodiment of the mixer of FIG. 1 ;
  • FIG. 5 is a fragmentary top perspective view of an alternate embodiment of the mixer of FIGs. 1 and 4; and FIG. 6 is a partial section view of a paddle and a shaft of the mixer of FIG. 5.
  • a mixer is designated generally at 10 and includes a shaft 12 and a plurality of paddles 14 extending radially from the shaft at a lower end 16.
  • the shaft 12 is engageable with a power tool (not shown), such as a drill.
  • a power tool such as a drill.
  • the power tool rotates the shaft 12, and the paddles 14 rotate about a shaft axis "a".
  • the shaft 12 is noncircular, such as hexagonal, square or the like. If a cylindrical shaft is used, modifications may be needed to secure the paddles 14 to the shaft, and to retain the shaft in the tool, as is well known in the art.
  • the paddles 14, which are placed into a container of viscous material (not shown), push the material out of the path of the paddle and cause the material to mix.
  • each of the four paddles 14 is identical in configuration, however, it is contemplated that a different number of paddles having similar or differing configurations or spacing can be used.
  • the paddles 14 project radially from the shaft 12 at a single point on the shaft, which in the preferred embodiment is at or adjacent to the lower end 16 of the shaft. It is also contemplated that the paddles 14 have generally the same axial distance to the end 16. Other locations on the shaft are also contemplated.
  • the preferred paddle 14 is generally "T"-shapedwith a support arm 18 extending radially from the shaft 12 forming the leg of the "T'-shape, and a blade portion 20 extending generally perpendicularly from the support arm forming the two arms of the "T"-shape.
  • the blade portion 20 Formed from a generally thin but rigid plate-like member, the blade portion 20 includes a first or leading surface 22, and a second or trailing surface 24 opposite the first surface.
  • the blade portion 20 also includes a top end 38 and a bottom end 40, with the top end 38 curved toward the direction of rotation "r", and the bottom end 40 curved toward the opposite direction.
  • the power tool (not shown) that activates the mixer 10 is preferably configured to rotate the paddles in the direction of rotation "r". While the preferred direction of rotation "r" is indicated to be clockwise (as viewed from the top of the shaft 12), it is contemplated that the direction of rotation "r” can also be counterclockwise, however if rotation of the mixer 10 (as depicted in FIG. 1) is reversed from the preferred direction, the paddles 14 will not perform as efficiently. However, whether the preferred direction of rotation is clockwise or counterclockwise, it is preferred that the paddles 14 are configured such that the top end 38 is curved toward the direction of rotation "r", and the bottom end 40 is curved toward the opposite direction for enhanced efficiency.
  • the power tool activates the mixer 10
  • the first or leading surface 22 of the blade portion 20 faces the direction of rotation
  • the second or trailing surface 24 of the blade portion faces the opposite direction.
  • a first bottom edge 26 extends along the radial length "rb" of the blade portion 20.
  • a second bottom edge 28 on the support arm 18 is preferably offset in the axial direction from the first bottom edge 26 of the blade portion 20.
  • the first bottom edge 26 is preferably linear with rounded or radiused corners 29, as well as cornered or rounded peripheral edges.
  • a length "rb" of the first bottom edge 26 is preferably less than half a radial length "rp" of the paddle 14, and further, is more preferably about a third of the radial length.
  • the outside surface 30 is non-linear, and in the preferred embodiment, the outside surface includes an extension portion 32 that is radially outwardly curved or convex along a portion of the length "I" of the blade portion 14.
  • the extension portion 32 extends along less than the entire length "I" of the blade portion 20, and further, an outermost radial extent 34 of the extension portion 32 extends preferably along less than a quarter of the length of the blade portion.
  • the mixer 10 does not jerk or jump out of the hands of the user when the outermost radial extent 34 hits the side of the container during mixing. Instead, due to the shape of the outside surface 30, when contact is made with the side of the container, the mixer 10 is rebounded away from the sides of the container.
  • the present mixer 10 has a greater capability than the conventional mixer to mix the material near the sides of the container.
  • the rounded, outermost radial extent 34 hits the container, it is likely that no portion of the container is "shaved off 1 , eliminating the potential container contaminants in the viscous material.
  • the preferred embodiment is an outwardly curved extension portion 32 with an outermost radial extent 34 being on the curve, it is contemplated that other configurations in which the outermost radial extent is less than the length "I" of the blade portion 20 can be used.
  • the first surface 22 and the second surface 24 of the paddles 14 lay substantially in a plane that extends generally radial to the shaft. In this configuration, a majority of the surface area of the paddle 14 (at the first surface 22 and the second surface 24) is used to impart pressure on the viscous material regardless of the direction of rotation.
  • a generally linear portion 36 of each paddle 14 has a slight pitch "p" (FIG. 2) of about 15-degrees. A preferred range of pitch is about 0 to 30-degrees, although the pitch can be larger or smaller.
  • the blade portion 20 forms a general "S"-shape from the top end 38 to the bottom end 40, with the generally linear portion 36 in between, and between the first surface 22 and the second surface 24.
  • the top end 38 is curved toward the direction of rotation "r", and the bottom end 40 is curved toward the opposite direction.
  • the top end 38 is rounded to have a 0.7 inch radius at an inside surface 42, and a 0.9 inch radius at an outside surface 44.
  • the bottom end 40 is preferably rounded to have a 0.5 inch radius at an inside surface 46 and a 0.7 inch radius at an outside surface 48.
  • other dimensions of "S"-shaped paddles 14 are contemplated. Further, it is contemplated that the paddle 14 may have only one curved end, or alternately, may have additional curvature along the length "I" of the blade portion 20.
  • the "S"-shaped paddle 14 draws material from the top of the mix to the bottom by creation of a vortex.
  • the top end 38 pushes the material downward, while the bottom end 40 pushes material upward to fold the material.
  • the mixer 10 generates lift of the mixer itself, which resists the gravitational pull and the tendency of the mixer to rest on the bottom of the mixing container. Since the mixer 10 is less likely to rest on the bottom of the container, this also reduces the likelihood of contamination of the mix with shavings from the bottom of the container.
  • the mixer 10 When the mixer 10 is operated in the opposite direction, and if the configuration of the paddles 14 is not changed, i.e. the bottom end 40 is curved toward the opposite direction and the top end 38 curved away from the opposite direction, then instead of generating lift, the mixer would push downward. For this reason, while the mixer 10 is operable to mix in both the clockwise and counterclockwise directions, it is preferable that the mixer be used in the direction that allows the top end 38 to be the leading end to generate lift. Since the mixed material flows in a smooth vortex pattern, the material is less likely to spill outside of the container. When the material stays inside of the mixing container, the amount of mess in the workspace is significantly reduced.
  • the combination of the mixer shape and the resulting vortex flow pattern tend to self-correct the alignment of the mixer with respect to the mixing container.
  • the mixer tends to reorient itself to be parallel with the axis of the container during use.
  • the thickness of the paddle 14 from the first surface 22 to the second surface 24 is about 0.2 inches, however this dimension can be larger or smaller.
  • the radial length "rl" of each paddle 14 is about 4 inches, and the height "h” of each blade portion is about 3.5 inches, however other dimensions are contemplated.
  • the paddles 14 and the shaft 12 are preferably made of alloy steel, cast materials, or any other material sufficiently rigid and sufficiently resistant to abrasion and corrosion for the application. While other shapes are contemplated, the shaft 12 is preferably hexagonal in cross- section. Preferably, the paddles 14 are assembled to the shaft 12 by welding to a hub 49 or to the shaft itself, however it is contemplated that they can be assembled by hard-soldering or any other technique.
  • an alternate embodiment of the mixer 10 is generally designated 50.
  • Components shared with the mixer 10 are designated with identical reference numbers.
  • the main difference between the embodiments 50 and 10 is that the mixer 50 has its paddles 54 die cast in pairs, with members of each pair projecting diametrically opposite each other.
  • Each pair of paddles 54 is connected to a central collar 56.
  • the collar 56 has a noncircular bore 58 for receiving the shaft 12, or alternatively a noncircular bushing 60 is spaced between the shaft and the bore 58. Thus, the collar 56 must rotate with the shaft 12.
  • the collar 56 is made in two parts, 56a, 56b, each part associated with a pair of the paddles 54. Also, the collar 56 is configured so that each part 56a, 56b has a complementary nonplanar shape 62 for preventing relative rotation of said parts. In the preferred embodiment, the nonplanar shape 62 is relatively serpentine, and the two parts 56a, 56b mate or nest into each other to form a cylindrically configured collar. The collar parts 56a, 56b are secured to each other by a nut (not shown) located beneath the lower part 56b which threadably engages the end of the shaft 12.
  • the paddles 54 are each oriented at 90-degree spacing relative to adjacent paddles. Also, despite a slight axial displacement, the paddles 54 on the two parts 56a, 56b are considered to have generally the same axial distance from the shaft end 16. Also, it is preferred that the collar 56 is crimped at its upper end about the shaft 12 for additional holding power.
  • FIGs. 5-6 another alternate embodiment of the mixer 10, 50 is generally designated 150.
  • Components shared with the mixer 10, 50 are designated with identical reference numbers.
  • the mixer 150 has its paddles 154 preferably die cast in pairs and connected to a central collar 156 with a bore 158 (preferably non-circular) for receiving the shaft 12 to rotate the collar with the shaft.
  • the main difference between the embodiments 50 and 150 is in the manner in which the paddles 154 are fastened to the shaft 12.
  • the collar 156 is made in two collar parts, 156a, 156b. Each collar part 156a, 156b is preferably associated with a pair of paddles 54 that disposed generally 180-degrees from each other. The collar parts 156a, 156b are stacked on top of each other forming the bore 158. The shaft 12 is introduced into the bore 158, and may protrude from a bottom surface 160 of the collar 156.
  • Each collar part 156a, 156b has a pair of apertures 162a, 162b to form a throughbore through the collar parts.
  • the collar parts 156a, 156b are each secured to the shaft 12, preferably with a spring pin 164a, 164b.
  • the spring pin 164 is introduced into a first aperture 162a, through a hole 166 through the shaft 12, and exits out the second aperture 162b.
  • the spring pin 164 can be a solid pin, can be threaded, or can be crimped or secured with a nut for additional holding power.
  • a support arm 118 of each paddle 154 is curved.
  • the support arms 118a of the collar 156a preferably curve downwardly and concavely away from the shaft 12 towards a blade portion 120a, and the support arms 118b of the collar 156b curve upwardly and convexly away from the shaft towards a blade portion 120b (where upward is the axial direction along the shaft away from the paddles 154).
  • the blade portions 120a, 120b generally lay in the same plane despite the collars 156a, 156b being axially spaced on the shaft 12.
  • the paddles 154 all have generally the same axial distance from the shaft end 16.
  • the collar parts 156a, 156b meet along a generally planar surface 162.
  • the present mixer 10, 50, 150 can break down the material to the appropriate amount of viscosity with little or noadditional water. Further, since the mixer 10, 50, 150 is more efficient at folding the material, the user can reduce the amount of manual movement of the mixer, which in turn may reduce the amount of air entrainment into the mix. Additionally, the mixer 10, 50, 150 eliminates or significantly reduces the amount of vibration at the mixing container and at the mixer itself. In contrast to most conventional mixers, the mixer 10, 50, 150 can be operated with a single hand since less effort is required by the user. Further, it has been found that the mixer 10, 50, 150 can achieve the desired mixing up to 20 percent faster than some conventional mixers.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)

Abstract

Le mélangeur fourni est conçu pour être fixé sur un outil à moteur afin de mélanger un matériau visqueux et comporte un arbre définissant un axe d'arbre, ainsi qu'une pluralité de palettes fixée sur l'arbre et s'étendant de façon radiale depuis l'arbre. Toutes les palettes sont généralement situées à la même distance axiale jusqu'à la première extrémité de l'arbre, et les palettes sont conçues pour pivoter autour de l'axe de l'arbre dans un sens de rotation. Chacune des palettes a une forme générale en « S » définie entre une extrémité supérieure et une extrémité inférieure de la palette, et entre une surface d'attaque et une surface de fuite de la palette.
PCT/US2007/023907 2006-12-01 2007-11-14 Mélangeur pour matériaux visqueux WO2008069900A2 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BRPI0717696-1A BRPI0717696A2 (pt) 2006-12-01 2007-11-14 Misturador para materiais viscosos
AU2007328446A AU2007328446B2 (en) 2006-12-01 2007-11-14 Mixer for viscous materials
NZ577410A NZ577410A (en) 2006-12-01 2007-11-14 Mixer for attachment to a power tool for mixing viscous materials having S-shaped paddles.
CA002671026A CA2671026A1 (fr) 2006-12-01 2007-11-14 Melangeur pour materiaux visqueux
EP07862014A EP2099555A2 (fr) 2006-12-01 2007-11-14 Mélangeur pour matériaux visqueux
MX2009005805A MX2009005805A (es) 2006-12-01 2007-11-14 Mezcladora para materiales viscosos.
CN2007800460408A CN101594927B (zh) 2006-12-01 2007-11-14 用于粘性材料的搅拌器
JP2009539259A JP5007910B2 (ja) 2006-12-01 2007-11-14 粘稠資材用ミキサー
HK10105401.0A HK1139352A1 (en) 2006-12-01 2010-06-01 Mixer for viscous materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/607,244 US7887230B2 (en) 2006-12-01 2006-12-01 Mixer having S-shaped paddles for mixing viscous materials
US11/607,244 2006-12-01

Publications (2)

Publication Number Publication Date
WO2008069900A2 true WO2008069900A2 (fr) 2008-06-12
WO2008069900A3 WO2008069900A3 (fr) 2008-11-27

Family

ID=39475542

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/023907 WO2008069900A2 (fr) 2006-12-01 2007-11-14 Mélangeur pour matériaux visqueux

Country Status (16)

Country Link
US (1) US7887230B2 (fr)
EP (1) EP2099555A2 (fr)
JP (1) JP5007910B2 (fr)
CN (1) CN101594927B (fr)
AR (1) AR064089A1 (fr)
AU (1) AU2007328446B2 (fr)
BR (1) BRPI0717696A2 (fr)
CA (1) CA2671026A1 (fr)
CL (1) CL2007003450A1 (fr)
HK (1) HK1139352A1 (fr)
MX (1) MX2009005805A (fr)
NZ (1) NZ577410A (fr)
PE (1) PE20081614A1 (fr)
RU (1) RU2454274C2 (fr)
TW (1) TWI415671B (fr)
WO (1) WO2008069900A2 (fr)

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US7887230B2 (en) 2011-02-15
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US20080130406A1 (en) 2008-06-05
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